Reliability and Construct Validity of Two Versions of Chalder Fatigue Scale among the General Population in Mainland China

Meng-Juan Jing, Wei-Quan Lin, Qiang Wang, Jia-Ji Wang, Jie Tang, En-She Jiang, Yi-Xiong Lei and Pei-Xi Wang
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Meng-Juan Jing: Institute of Public Health, School of Nursing, Henan University, Kaifeng 475000, China
Wei-Quan Lin: Department of Preventive Medicine, School of Public Health, Guangzhou Medical University, Guangzhou 510182, China
Qiang Wang: Institute of Public Health, School of Nursing, Henan University, Kaifeng 475000, China
Jia-Ji Wang: Department of Preventive Medicine, School of Public Health, Guangzhou Medical University, Guangzhou 510182, China
Jie Tang: Department of Preventive Medicine, School of Public Health, Guangzhou Medical University, Guangzhou 510182, China
En-She Jiang: Institute of Public Health, School of Nursing, Henan University, Kaifeng 475000, China
Yi-Xiong Lei: Department of Preventive Medicine, School of Public Health, Guangzhou Medical University, Guangzhou 510182, China
Pei-Xi Wang: Institute of Public Health, School of Nursing, Henan University, Kaifeng 475000, China

IJERPH, 2016, vol. 13, issue 1, 1-10

Abstract: The 14-item Chalder Fatigue Scale (CFS) is widely used, while the 11-item version is seldom to be found in current research in mainland China. The objectives of the present study is to compare the reliability and construct validity between these two versions and to confirm which may be better for the mainland Chinese setting. Based on a cross-sectional health survey with a constructive questionnaire, 1887 individuals aged 18 years or above were selected. Socio-demographic, health-related, gynecological data were collected, and 11-item and 14-item Chalder Fatigue Scale (CFS) were used to assess fatigue. Confirmatory factor analysis and exploratory structural equation modeling (ESEM) were performed to test the fit of models of the two versions. Confirmatory factor analysis of the two versions of CFS did not support the two-factor theorized models. In addition, a three-factor ESEM model of the 11-item version, but not the 14-item version, showed better factor structure and fitness than the other models examined. Both the versions had good internal consistency reliability and a satisfactory internal consistency (? = 0.78–0.96, omega coefficient indicates the internal consistency reliability) was obtained from the optimal model. This study provided evidence for satisfactory reliability and structural validity for the three-factor model of the 11-item version, which was proven to be superior to the 14-item version for this data.

Keywords: chalder fatigue scale; reliability; construct validity; exploratory structural equation modeling; confirmatory factor analyses; mainland China (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2016
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